import { request } from "../../request/index.js";

Page({

  data: {
    tabs: [
      {
        id: 0,
        value: "综合",
        isActive: true
      },
      {
        id: 1,
        value: "销量",
        isActive: false
      }, {
        id: 2,
        value: "价格",
        isActive: false
      }
    ],
    goodsList: []
  },

  QueryParams: {
    query: "",
    cid: "",
    pagenum: 1,
    pagesize: 10
  },
  totalPages:1,

  onLoad: function (options) {
    this.QueryParams.cid = options.cid || "";
    this.QueryParams.query = options.query || "";
    this.getGoodsList();
  },

  getGoodsList() {
    request({ url: "goods/search", data: this.QueryParams })
      .then(res => {
        const total=res.total;
        this.totalPages=Math.ceil(total/this.QueryParams.pagesize);
        this.setData({
          goodsList: [...this.data.goodsList,...res.goods]
        })
        wx.stopPullDownRefresh();
        
      })
  },

  handleTabsItemChange(e) {
    const { index } = e.detail;
    let { tabs } = this.data;
    tabs.forEach((v, i) => i === index ? v.isActive = true : v.isActive = false);
    this.setData({
      tabs
    })
  },

  
  onPullDownRefresh: function () {
      this.setData({
        goodsList:[]
      })
      this.QueryParams.pagenum=1;
      this.getGoodsList();
  },

  onReachBottom: function () {
    if(this.QueryParams.pagenum>=this.totalPages){
      wx.showToast({
        title:'没有下一页数据了'
      })
    }else{
      this.QueryParams.pagenum++;
      this.getGoodsList();
    }
  },

})